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E. O. Shvaikovskaya
E. O. Shvaikovskaya

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Articles

Article
Geology
  • Date submitted
    1963-09-18
  • Date accepted
    1963-11-27

Influence of strain rate on plasticity of materials

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The identity of X-ray radiographs of plastically deformed annealed and unannealed crystals indicates that elastic changes in the orientation of neighboring sections of a plastically deformed unannealed crystal play an insignificant role in the formation of tails on the radiographs. The investigation of the nature of rotation led to a detailed study of tails on X-ray radiographs, since the reorientation of individual sites in a deformed crystal is most reliably established by means of X-ray radiographs. From a crystal, whose lattice is distorted, X-rays with blurred and split spots are obtained, asterisms and bridges between bright spots appear.

How to cite: Shvaikovskaya E.O., Nikolaeva A.I., Bobrov A.G. Influence of strain rate on plasticity of materials // Journal of Mining Institute. 1964. Vol. 44. Iss. 3. p. 113-118.
Article
  • Date submitted
    1960-09-25
  • Date accepted
    1960-11-23

РЕНТГЕНОГРАФИЧЕСКОЕ ИССЛЕДОВАНИЕ ДЕФОРМИРОВАННЫХ СЛЮД

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Слюды составляют обширную группу минералов, для которых ха­рактерна совершенная спайность по (001), у. е. способность легко рас­щепляться на очень тонкие листочки - с ровной поверхностью парал­лельно грани третьего пинакоида. Наиболее важное промышленное зна­чение имеют мусковит я флогопит. Слюды обладают высокими электри­ческими характеристиками, негорючестью и большой механической прочностью, они также термически и химически стойки, мало гигроско­пичны. Слюды кристаллизуются в моноклинной системе, приближаясь к гексагональным . формам. Под влиянием механических воздействий слюды деформируются, Теряют свои свойства и становятся непригод­ными для промышленных целей, поэтому,, естественно, изучению дефор­мированных слюд уделяется большое внимание.

How to cite: Shvaikovskaya E.O., Nikolaeva A.I., Shalyt T.D. // Journal of Mining Institute. 1961. Vol. 37. Iss. 3. p. 105.
Article
  • Date submitted
    1957-09-22
  • Date accepted
    1957-11-18

X-ray study of distortions of the crystal lattice of asbestos fibers

Article preview

The study of the mechanism of plastic deformation is a very important problem. The mechanism of plastic deformation is influenced by a number of factors. In the present work, an attempt has been made to establish the effect of strain rate on plastic deformation. Asbestos fibers were taken as the material under test. Asbestos fibers have bonds much stronger within the fiber than between the fibers. Hence, such a fiber approaches a one-dimensional chain. The study of the mechanism on such material is of undoubted interest.

How to cite: Shvaikovskaya E.O. X-ray study of distortions of the crystal lattice of asbestos fibers // Journal of Mining Institute. 1958. Vol. 36. Iss. 3. p. 38-42.